Home / 439,526.26-659,071.30-139,967.80

Finding the Fourth Proportional to 439,526.26, 659,071.30 and 139,967.80

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Solution

The fourth proportional to 439,526.26, 659,071.30 and 139,967.80 is: 209,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,526.26 : 659,071.30 = 139,967.80 : x
  2. Step 2: Convert to fraction form
    439,526.26/659,071.30 = 139,967.80/x
  3. Step 3: Cross multiply
    439,526.26x = 659,071.30 × 139,967.80
  4. Step 4: Simplify right side
    439,526.26x = 92,248,759,904.14
  5. Step 5: Solve for x
    x = 92,248,759,904.14/439,526.26
  6. Step 6: Final answer
    x = 209,882.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.